There is no staff on site most of the time, and the few hours that they are there, you will not see them. This would not be much of a problem, except that the rooms are automatically stocked for 2 people, so if you need towels, bedding, etc, it is a huge hassle and a wait to get them. You have to call a number several times to get through, then they will send someone from housekeeping to the site to deliver you supplies.
Luckily, there were no unruly guests, as I imagine that would be particularly problematic for an unstaffed hotel.